A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5925-00-919-8683
NSN 6650-00-557-9390
NSN 5960-00-232-2512
NSN 6650-01-437-6277
NSN 6105-00-006-7912
NSN 5996-01-219-5091
NSN 5998-00-988-1650
NSN 6685-00-437-5229
NSN 4140-01-026-9293
NSN 5920-01-472-2966
NSN 6645-01-383-7362
NSN 6110-00-725-9740